To change the date on most Breitling watches, pull the crown out to the middle position (position 2) and turn it clockwise or counterclockwise, depending on the movement. But there’s a crucial difference between models with ETA-based calibers and those with Breitling’s in-house B-series movements, and setting the date at the wrong time of day can damage the mechanism. Here’s what you need to know before you turn the crown.
Before You Start: The One Rule You Cannot Break
Never change the date manually when the watch hands show a time between 9:00 PM and 3:00 AM. During this window, the date-change gear train is engaged, and forcing the date wheel can strip teeth or bend levers. If your watch has stopped and you don’t know the time, first pull the crown to position 3 (time-setting) and advance the hands past 3:00 AM before attempting a date change.
Step-by-Step Instructions by Movement Type
Breitling uses two broad movement families, and the direction you turn the crown differs between them. Identify your caliber first: it’s engraved on the movement or listed in your manual. If you’re unsure, check the model reference (e.g., Chronomat B01, Navitimer 01, Superocean Heritage) – models with “B01”, “B04”, “B05”, “B20” are in-house, while older or entry-level models (A173xx, A133xx) often use ETA 2824 or 2892 derivatives.
ETA-Based Movements (Caliber 17, 20, 30, 40, 41, 44, 45, 49)
These include many Navitimer, Chronomat, and Colt models from the 1990s through 2010s.
1. Unscrew the crown (if screw-down) by turning it counterclockwise until it pops free. You’ll feel it click into the winding position (position 1).
2. Pull the crown to position 2 (one click out). You should feel a distinct stop – don’t pull to position 3 yet.
3. Turn the crown clockwise to advance the date. Turning counterclockwise has no effect on the date for these calibers.
4. Check the date change time: After setting, advance the hour hand past midnight to confirm the date flips exactly at 12:00 AM. If it flips at 12:00 PM instead, you’re running 12 hours off – pull to position 3, move the hands forward another 12 hours, then reset the date.
5. Push the crown back in and screw it down (if applicable) by turning clockwise until snug – do not overtighten.
Concrete example: On a Breitling Navitimer A13322 (Caliber 13, an ETA 7750 base), turning the crown clockwise in position 2 advances the date. A common mistake is turning counterclockwise and assuming it’s broken – it’s not; the movement simply ignores that direction.
In-House Breitling Movements (Caliber B01, B04, B05, B20, B21)
Found in modern Chronomat B01, Navitimer B01, Avenger, Superocean Heritage B20, and Premier B01 models.
1. Unscrew the crown if necessary.
2. Pull to position 2 (one click). The crown will feel firmer than on ETA-based models.
3. Turn the crown counterclockwise to advance the date. Turning clockwise in this position adjusts the day or does nothing, depending on the caliber.
4. Verify the date flip using the 12-hour advance test as above.
5. Push and screw the crown down.
Concrete example: On a Breitling Chronomat B01 (Caliber B01), turning the crown counterclockwise in position 2 changes the date. Many owners expect clockwise because of muscle memory from ETA watches, then panic when nothing happens.
Quick-Set vs. Time-Set: Only Use the Quick-Set
If your watch has a “quick-set” date (position 2 only moves the date, not the hour hand), always use it. Never set the date by cycling the hour hand through midnight multiple times – that works but puts strain on the date-mechanism gears and is much slower. The quick-set is designed for rapid, safe adjustments.
Where Most People Get Stuck (And How to Avoid It)
The “Date Changes at Noon, Not Midnight” Problem
This is the most frequent complaint, and it’s almost always user error, not a broken watch.
- What happens: You set the date correctly, but the next day it flips at noon instead of midnight.
- Why: The watch’s AM/PM cycle is off by 12 hours because you set the time without knowing whether you were in the morning or evening.
- How to detect early: After setting the date, advance the hour hand past midnight (through the 12 o’clock position). If the date changes at that pass, the watch is set to the correct 12-hour cycle. If the date doesn’t change, you’re in the AM cycle. Use the time-setting position to move the hands forward another 12 hours, then reset the date.
Forcing the Crown When It Doesn’t Pull Out Fully
Some Breitling models (especially older Navitimers with the 7750-based Caliber 13) require the crown to be pulled firmly to position 2. If you pull too weakly, you’ll stay in position 1 (winding) and turning will do nothing to the date. You might feel a false “click” from the winding mechanism.
Early detection: If you turn the crown and feel smooth, continuous rotation with no detents, you’re still in winding mode. Pull harder until you feel a defined stop.
The Danger Zone Mistake: Changing Date Between 9 PM and 3 AM
Not all movements have a gear-disengagement safety. Forcing the date during this window can bend the date-corrector lever or damage the date-jumper spring. If you must set the date during that time, first pull the crown to position 3, advance the hands past 3:00 AM, then proceed with the quick-set. This is why the “Before You Start” rule exists – respect it.
Success Check: Did It Work?
- The date should snap crisply when you turn the crown; no grinding or skipping.
- After setting, advance the hands past midnight to confirm the date changes within one minute of 12:00 AM.
- If the date changes two steps at once, or changes backward when you turn the crown, stop immediately. That indicates a gear-mesh misalignment or a broken date-jumper. Take the watch to a Breitling-authorized service center.
FAQ
Q: Can I change the date by pushing the crown in different positions on a Navitimer?
A: Breitling does not use pusher-style date correction (like some quartz watches). On all mechanical Breitling models, date adjustment is done via the crown only.
Q: Why does my Breitling Chronomat B01 date only turn one direction?
A: That’s normal. In-house B01 movements are designed to advance the date only when the crown is turned counterclockwise (position 2). Turning clockwise has no effect – it’s not broken.
Q: My date changed by itself during the night. Should I worry?
A: Not usually. If the watch was stored with insufficient power, the date may snap forward when it receives a shake or winding. If it happens repeatedly without any motion, the date-drive wheel might be loose – have it checked.
Q: Is it safe to use the quick-set on a Breitling that has been sitting for months?
A: Yes, but only if the movement is running (i.e., the balance wheel is oscillating). If the watch is completely stopped, wind it fully first, then set the time, then the date. Avoid forcing the crown on a dry movement.
A simple date change on your Breitling is a two-second operation once you know your movement’s direction and the danger window. Stick to the steps above, and you’ll avoid the most common pitfalls. If the date still won’t advance after three careful attempts, or if you feel abnormal resistance, stop and take the watch to an authorized service center – forcing it will only make the repair more expensive.
The We Know Watches editorial team brings together over 40 years of combined watch collecting, trading, and repair experience. Our editors have owned and handled watches from every major brand — from entry-level Seiko 5s to Rolex, Omega, Patek Philippe, and independent Swiss watchmakers. We’ve bought and sold at auction, worked with authorized dealers, visited manufacturing facilities in Switzerland and Japan, and serviced hundreds of movements ranging from the Seiko 7S26 to the Longines L888. Every guide and review we publish is based on hands-on experience, original research, and consultation with professional watchmakers. We do not accept payment for reviews, and we clearly disclose when we use affiliate links.